56744628 has 24 divisors (see below), whose sum is σ = 133717920. Its totient is φ = 18727200.

The previous prime is 56744627. The next prime is 56744629. The reversal of 56744628 is 82644765.

It is an interprime number because it is at equal distance from previous prime (56744627) and next prime (56744629).

It is a self number, because there is not a number n which added to its sum of digits gives 56744628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56744627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22198 + ... + 24621.

It is an arithmetic number, because the mean of its divisors is an integer number (5571580).

Almost surely, 2^56744628 is an apocalyptic number.

It is an amenable number.

56744628 is an abundant number, since it is smaller than the sum of its proper divisors (76973292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56744628 is a wasteful number, since it uses less digits than its factorization.

56744628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46927 (or 46925 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 56744628 is about 7532.9030260584. The cubic root of 56744628 is about 384.2745161621.

The spelling of 56744628 in words is "fifty-six million, seven hundred forty-four thousand, six hundred twenty-eight".